Home / 156,835.80-235,253.70-153,725.40

Finding the Fourth Proportional to 156,835.80, 235,253.70 and 153,725.40

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Solution

The fourth proportional to 156,835.80, 235,253.70 and 153,725.40 is: 230,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,835.80 : 235,253.70 = 153,725.40 : x
  2. Step 2: Convert to fraction form
    156,835.80/235,253.70 = 153,725.40/x
  3. Step 3: Cross multiply
    156,835.80x = 235,253.70 × 153,725.40
  4. Step 4: Simplify right side
    156,835.80x = 36,164,469,133.98
  5. Step 5: Solve for x
    x = 36,164,469,133.98/156,835.80
  6. Step 6: Final answer
    x = 230,588.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.